Open-source FDK is fast and competitive for high-contrast tasks while ASTRA SIRT at 5x the time delivers the best low-contrast detectability; vendor software leads in resolution but fails the Rose criterion for 100 HU objects.
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2026 1verdicts
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Benchmarking Open-Source FDK Against Commercial and Iterative Reconstruction Methods for Preclinical Micro-CBCT
Open-source FDK is fast and competitive for high-contrast tasks while ASTRA SIRT at 5x the time delivers the best low-contrast detectability; vendor software leads in resolution but fails the Rose criterion for 100 HU objects.